The test build 20130228 is based on the latest Android 4.2.2 release (JB-MR1.1 branch). We have fixed and added x86 specified code to let the system runs smoothly on most x86 platforms, especially for tablets and netbooks. The key features in this release are

Use the latest kernel 3.8.0 to support more drivers.

OpenGL ES hardware acceleration for AMD Radeon and Intel chipsets (not included chips with PVR). You may disable it by adding HWACCEL=0 to the cmdline if you have trouble to use it.

Since the jb-x86 branch we try to create a universal image for most x86 platforms. The plan is still in an early stage. Please report bugs to the android-x86 forum with detailed specs of your machine and error logs.

android-x86-4.2-20130228.iso

sha1sum: d9843bbccf29d64ae0cb4d6b30d1fad7e29f6cdd

The iso file ishybrid format. That means you can dump the iso into a usb drive and get a bootable usb stick, like